1478490241531 has 2 divisors, whose sum is σ = 1478490241532. Its totient is φ = 1478490241530.

The previous prime is 1478490241489. The next prime is 1478490241537. The reversal of 1478490241531 is 1351420948741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1478490241531 - 2²³ = 1478481852923 is a prime.

It is a super-2 number, since 2×1478490241531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1478490241537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739245120765 + 739245120766.

It is an arithmetic number, because the mean of its divisors is an integer number (739245120766).

Almost surely, 2^{1478490241531} is an apocalyptic number.

1478490241531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478490241531 is an equidigital number, since it uses as much as digits as its factorization.

1478490241531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1478490241531 in words is "one trillion, four hundred seventy-eight billion, four hundred ninety million, two hundred forty-one thousand, five hundred thirty-one".